Results 121 to 130 of about 60,289 (306)

A Low‐Cost, Handheld Optical Stiffness Sensor for Minimally Invasive Surgery

open access: yesAdvanced Robotics Research, EarlyView.
A novel handheld stiffness sensor is presented for real‐time tissue stiffness characterization. By simultaneously sensing contact force and tissue deformation, the device enables accurate stiffness quantification without requiring precise manual control. This approach offers a promising solution for intraoperative tumor detection and minimally invasive
Qianyu Ma   +4 more
wiley   +1 more source

Three-Dimensional Heterogeneity of the Pore and Fracture Development and Acoustic Emission Response Characteristics of Coal Rocks in the Yunnan Laochang Block

open access: yesEnergies
Studying the heterogeneity of coal reservoirs is significant to coal bed methane (CBM) exploitation. To investigate the development of the pore–fracture and acoustic emission response characteristics of the coal rock in the Yunnan Laochang block, four ...
Xingzhi Liu   +3 more
doaj   +1 more source

In Situ X‐Ray Tomography and Acoustic Emission Monitoring of Damage Evolution in C/C‐SiC Composites Fabricated by Liquid Silicon Infiltration

open access: yesAdvanced Science, EarlyView.
This study investigates how the internal structure of fiber‐reinforced ceramic composites affects their resistance to damage. By combining 3D X‐ray imaging with acoustic emission monitoring during mechanical testing, it reveals how silicon distribution influences crack formation.
Yang Chen   +7 more
wiley   +1 more source

Application of acoustic emission technology in monitoring of underground pressure

open access: yesGong-kuang zidonghua, 2013
Through uniaxial compression acoustic emission experiments to goaf surrounding rock sample of a Mine, acoustic emission parameter values such as energy rate and event rate were obtained when rock failure. According to these values, parameters of acoustic
ZHANG Yang   +4 more
doaj  

Disorder‐Induced Extremely Low Thermal Conductivity of Graphite Fluoride

open access: yesAdvanced Science, EarlyView.
This article investigates the effect of fluorination on the thermal conductivity of graphite fluoride, demonstrating the relationship between structural modification and thermal conductivity in an extreme case. The record‐low through‐plane thermal conductivity measured in exfoliated graphite fluoride flakes was found to correlate with the wide ...
Wonsik Lee   +10 more
wiley   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

open access: yesAdvanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas   +6 more
wiley   +1 more source

Acoustic emission monitoring of Iosipescu shear test on glass fibre-epoxy composites [PDF]

open access: yes, 1985
Acoustic emission (AE) monitoring has been extensively used for characterising failure mechanisms in composite materials. Recently several investigators have used acoustic emission amplitude distribution analysis (AEAD) to distinguish failure mechanism ...
Ajay, Chandra   +3 more
core  

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

open access: yesAdvanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale   +6 more
wiley   +1 more source

Condition monitoring of gearboxes using acoustic emission [PDF]

open access: yes, 2010
Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been ...
Eftekharnejad, Babak
core  

Brittleness measurement and process optimization of fried potato chips based on the acoustic emission method

open access: yesShipin yu jixie
ObjectiveTo quantitatively and comprehensively measure the fried food brittleness, to study the changing law of potato chip brittleness during the frying process, and to optimize the frying process of potato chips.MethodsA food brittleness mechanical ...
YANG Yijing   +4 more
doaj   +1 more source

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